return to home page Computational Chemistry Comparison and Benchmark DataBase Release 22 (May 2022) Standard Reference Database 101 National Institute of Standards and Technology
You are here: Calculated > Energy > Optimized > Energy

All results from a given calculation for C6H5NO (nitrosobenzene)

using model chemistry: CID/6-31G*

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A'
Energy calculated at CID/6-31G*
 hartrees
Energy at 0K-360.219360
Energy at 298.15K 
HF Energy-359.345743
Nuclear repulsion energy326.594490
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at CID/6-31G*
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
4/u)
Dep P Dep U
1 A' 3367 3110 2.63      
2 A' 3353 3097 8.91      
3 A' 3343 3088 11.96      
4 A' 3335 3080 7.47      
5 A' 3322 3069 0.41      
6 A' 1824 1685 99.65      
7 A' 1771 1636 1.19      
8 A' 1751 1617 74.84      
9 A' 1615 1492 0.86      
10 A' 1587 1466 16.98      
11 A' 1420 1312 5.36      
12 A' 1378 1273 15.49      
13 A' 1282 1185 29.87      
14 A' 1243 1149 3.15      
15 A' 1235 1140 76.03      
16 A' 1164 1076 2.39      
17 A' 1103 1019 2.06      
18 A' 1069 988 0.51      
19 A' 886 818 22.61      
20 A' 714 660 11.78      
21 A' 655 605 0.02      
22 A' 474 438 0.27      
23 A' 278 256 2.49      
24 A" 1035 956 0.02      
25 A" 1026 948 0.26      
26 A" 998 921 4.19      
27 A" 917 847 0.00      
28 A" 810 748 83.91      
29 A" 675 623 6.03      
30 A" 494 457 1.69      
31 A" 437 404 0.02      
32 A" 262 242 0.18      
33 A" 107 99 0.22      

Unscaled Zero Point Vibrational Energy (zpe) 22463.7 cm-1
Scaled (by 0.9237) Zero Point Vibrational Energy (zpe) 20749.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at CID/6-31G*
ABC
0.17796 0.05561 0.04237

See section I.F.4 to change rotational constant units
Geometric Data calculated at CID/6-31G*

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 0.000 0.593 0.000
C2 -1.047 -0.321 0.000
C3 -0.754 -1.669 0.000
C4 0.571 -2.097 0.000
C5 1.607 -1.178 0.000
C6 1.320 0.178 0.000
N7 -0.195 2.017 0.000
O8 -1.341 2.369 0.000
H9 -2.063 0.037 0.000
H10 -1.552 -2.394 0.000
H11 0.791 -3.153 0.000
H12 2.632 -1.515 0.000
H13 2.101 0.921 0.000

Atom - Atom Distances (Å)
  C1 C2 C3 C4 C5 C6 N7 O8 H9 H10 H11 H12 H13
C11.38982.38442.74952.39151.38371.43712.22552.13663.36653.82863.37162.1269
C21.38981.38002.40262.78942.41932.48822.70561.07702.13413.37653.86783.3849
C32.38441.38001.39182.41142.77713.72824.08052.15081.07872.14183.38883.8552
C42.74952.40261.39181.38482.39484.18404.85773.38982.14391.07912.14143.3840
C52.39152.78942.41141.38481.38613.66784.61233.86613.38542.13711.07842.1568
C61.38372.41932.77712.39481.38612.38223.44713.38603.85573.37282.14141.0786
N71.43712.48823.72824.18403.66782.38221.19972.72224.61535.26294.52312.5438
O82.22552.70564.08054.85774.61233.44711.19972.44084.76775.91925.55583.7346
H92.13661.07702.15083.38983.86613.38602.72222.44082.48454.28044.94454.2573
H103.36652.13411.07872.14393.38543.85574.61534.76772.48452.46294.27534.9339
H113.82863.37652.14181.07912.13713.37285.26295.91924.28042.46292.46434.2801
H123.37163.86783.38882.14141.07842.14144.52315.55584.94454.27532.46432.4932
H132.12693.38493.85523.38402.15681.07862.54383.73464.25734.93394.28012.4932

picture of nitrosobenzene state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 C3 118.819 C1 C2 H9 119.488
C1 C6 C5 119.408 C1 C6 H13 118.973
C1 N7 O8 114.841 C2 C1 C6 121.445
C2 C1 N7 123.325 C2 C3 C4 120.171
C2 C3 H10 119.952 C3 C2 H9 121.693
C3 C4 C5 120.558 C3 C4 H11 119.645
C4 C3 H10 119.877 C4 C5 C6 119.600
C4 C5 H12 120.250 C5 C4 H11 119.797
C5 C6 H13 121.619 C6 C1 N7 115.230
C6 C5 H12 120.150
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability